Akashic Guitar effects PCB lookup
PREPOSTLOWMIDHIGHNORMAL / SATURATION

125B · 6 knobs

PedalPCB· PCB511

Decadence Preamp

Based on the Peavey Decade Preamp

Category
Preamp / Amp-in-a-box· Preamps
Controls
Pre · Post · Low · Mid · High · Normal / Saturation
Price
$12.00in stock
Tags
125B
Buy the PCB at PedalPCB Build document9/13/23

From the vendor

Controls

• Pre

• Post

• Low

• Mid

• High

• Normal / Saturation (Toggle switch)

Specifications

• Designed for a 125B enclosure with top-mounted jacks

Documentation

Schematic

The schematic is in the vendor's build document, page 4. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 58 rows

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RefValueNormalizedTypeNotes
Resistors 24
R11M1MResistor, 1/4W
R21K1kResistor, 1/4W
R3220K220kResistor, 1/4W
R44K74.7kResistor, 1/4W
R533K33kResistor, 1/4W
R66K86.8kResistor, 1/4W
R710K10kResistor, 1/4W
R82K72.7kResistor, 1/4W
R9680R680Resistor, 1/4W
R101K1kResistor, 1/4W
R1147K47kResistor, 1/4W
R121K1kResistor, 1/4W
R132K72.7kResistor, 1/4W
R1447K47kResistor, 1/4W
R1510K10kResistor, 1/4W
R16470K470kResistor, 1/4W
R1710K10kResistor, 1/4W
R1833K33kResistor, 1/4W
R191K1kResistor, 1/4W
R2022K22kResistor, 1/4W
R21100K100kResistor, 1/4W
R100220K220kResistor, 1/4W
R101220K220kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 20
C1100n100nFilm capacitor, 7.2 x 2.5mm
C2100p100pCeramic capacitor
C322n22nFilm capacitor, 7.2 x 2.5mm
C4100p100pCeramic capacitor
C52u22.2uElectrolytic capacitor, 5mm
C66n86.8nFilm capacitor, 7.2 x 2.5mm
C7470n470nFilm capacitor, 7.2 x 5.0mm
C822u22uElectrolytic capacitor, 5mm
C92u22.2uElectrolytic capacitor, 5mm
C1015n15nFilm capacitor, 7.2 x 2.5mm
C11100n100nFilm capacitor, 7.2 x 2.5mm
C12270p270pCeramic capacitor
C1333n33nFilm capacitor, 7.2 x 2.5mm
C14100n100nFilm capacitor, 7.2 x 2.5mm
C1522u22uElectrolytic capacitor, 5mm
C16100p100pCeramic capacitor
C172u22.2uElectrolytic capacitor, 5mm
C1815n15nFilm capacitor, 7.2 x 2.5mm
C100100u100uElectrolytic capacitor, 5mm
C10122u22uElectrolytic capacitor, 5mm
Diodes 7
D11N41481N4148Signal diode, DO-35
D21N41481N4148Signal diode, DO-35
D31N41481N4148Signal diode, DO-35
D41N41481N4148Signal diode, DO-35
D51N41481N4148Signal diode, DO-35
D61N41481N4148Signal diode, DO-35
D1001N58171N5817Schottky diode, DO-41
ICs 1
IC1RC4558RC4558Dual op-amp, DIP8
Potentiometers 5
PREB10KB10k16mm right-angle PCB mount pot
POSTB10KB10k16mm right-angle PCB mount pot
LOWA250KA250k16mm right-angle PCB mount pot
MIDB50KB50k16mm right-angle PCB mount pot
HIGHB250KB250k16mm right-angle PCB mount pot
Switches 1
SATSPDT ON/ONSPDT ON/ONToggle switch, SPDT2-position (ON/ON)